<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1665-3521</journal-id>
<journal-title><![CDATA[Superficies y vacío]]></journal-title>
<abbrev-journal-title><![CDATA[Superf. vacío]]></abbrev-journal-title>
<issn>1665-3521</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-35212022000100106</article-id>
<article-id pub-id-type="doi">10.47566/2022_syv35_1-220801</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Catalizadores Pd/SBA-15 en la oxidación catalítica vía húmeda del fenol]]></article-title>
<article-title xml:lang="en"><![CDATA[Pd/SBA-15 catalysts in the catalytic wet air oxidation of phenol]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Vidal]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lunagómez Rocha]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Hernández]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pacheco Sosa]]></surname>
<given-names><![CDATA[J.G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres Torres]]></surname>
<given-names><![CDATA[J.G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zepeda Partida]]></surname>
<given-names><![CDATA[T.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Juárez Autónoma de Tabasco Laboratorio de Catálisis Heterogénea Division Academia de Ciencias Basicas]]></institution>
<addr-line><![CDATA[Cunduacán Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Nanociencias y Nanotecnología ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>35</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-35212022000100106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-35212022000100106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-35212022000100106&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se sintetizaron una serie de catalizadores de paladio (0.5, 1.5 y 3.0% en peso), mediante impregnación a volumen de poro en un tamiz molecular mesoporoso a base de sílice (SBA-15). Todos los materiales se caracterizaron por Fisisorción de N2, DRX, MEB y HR-TEM. La actividad catalítica se evaluó en la oxidación catalítica vía húmeda (OCVH) del fenol a 160°C, 10 bar, 200 mg de catalizador y 200 mL de fenol de una solución de 500 ppm. Los resultados de la caracterización muestran una gran influencia del contenido metálico de Pd; el área específica disminuye al introducir un mayor porcentaje de paladio. Los materiales presentaron textura, estructura y morfología acorde a lo reportado en la literatura. Se encontró que el tamaño de las especies de óxido de paladio soportadas, formadas durante la etapa de calcinación fue menor en el catalizador con menor contenido metálico (Pd0.5/SBA-15) y este fue el más activo en la degradación de fenol y degradó 64 % de fenol, siendo el más activo de los catalizadores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A series of palladium catalysts (0.5, 1.5 and 3.0 wt%) were synthesized by impregnation at pore volume on a silica-based mesoporous molecular sieve (SBA-15). Materials were characterized by N2 physisorption, X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (HR-TEM). The catalytic activity was evaluated in catalytic wet air oxidation (CWAO) of phenol at 160oC, 10 bar, 200 mg of catalyst and 200 mL of phenol from a 500 ppm solution. The results of the characterization show a great influence of the metallic content of Pd; the specific area decreases when introducing a higher percentage of palladium. The materials presented texture, structure and morphology according to what has been observed in literature. It was found that the size of the supported palladium oxide species formed during the calcination stage was smaller in the catalyst with lower metal content (Pd0.5/SBA-15) and this was the most active in the degradation of phenol and degraded 64% of phenol, being the most active of the catalysts.]]></p></abstract>
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